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Basic Mathematics QUESTION #4579
Question 1
Three numbers have average $12$. Two of them are $10$ and $15$. What is the third?
  • $11$✔️
  • $12$
  • $36$
  • $9$
Correct Answer Explanation
Sum = $12 \times 3 = 36$. Third number = $36 - 10 - 15 = 11$